Pargasite
Ethiopia
4.71 carats
© Rarestone.com
Pargasite forms transparent to translucent bluish green or chrome (emerald)-green to light brown stout prismatic crystals.
Fine crystals have been faceted.
Pargasite Gemstones by Colour
This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
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Pargasite Gemstones by Size
This table shows distribution of Pargasite gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
Contributed photos
Lightest:1.07 cts
Heaviest:4.71 cts
Average:3.30 cts
Total photos:4
Do you have a larger Pargasite? Why not upload a photo?
| General Information | ||||||||||||||||||||||||||
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| Chemical Formula |
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| Physical Properties of Pargasite | ||||||||||||||||||||||||||
| Mohs Hardness | 5 to 6, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Specific Gravity | 3.04 to 3.26, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Tenacity | Brittle, Blue Chart Gem Identification (2010) | |||||||||||||||||||||||||
| Cleavage Quality | Perfect, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Optical Properties of Pargasite | ||||||||||||||||||||||||||
| Refractive Index | 1.613 to 1.663, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Optical Character | Biaxial/+, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Birefringence | 0.020 to 0.024, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Pleochroism | Orange/brown stones - distinct: colorless to yellow - light brown - brown; Green stones - distinct: greenish-yellow - emerald-green - greenish-blue, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Colour | ||||||||||||||||||||||||||
| Colour (General) | Bluish green or chrome (emerald)-green to light brown, Gems, Sixth Edition (2006) | |||||||||||||||||||||||||
| Causes of Colour | Green to brown, Fe2+ in various sites, Pragmatic Spectroscopy For Gemologists (2011) | |||||||||||||||||||||||||
| Transparency | Transparent,Translucent, Gems, Sixth Edition (2006) | |||||||||||||||||||||||||
| Crystallography of Pargasite | ||||||||||||||||||||||||||
| Crystal System | Monoclinic, Blue Chart Gem Identification (2010) More from other references | |||||||||||||||||||||||||
| Habit | Stout prismatic crystals, Gems, Sixth Edition (2006) | |||||||||||||||||||||||||
| Geological Environment | ||||||||||||||||||||||||||
| Where found: | Pargasite occurs in igneous and metamorphic rocks, Gems, Sixth Edition (2006) | |||||||||||||||||||||||||
| Further Information | ||||||||||||||||||||||||||
| Mineral information: | Pargasite information at mindat.org | |||||||||||||||||||||||||
| Significant Gem Localities | ||||||||||||||||||||||||||
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